474942-73-9 N-palmitoyl homocysteine (PHC) N-palmitoyl homocysteine (ammonium salt) PHC PamHcy CAS 474942-73-9
| CAS No. | 474942-73-9 |
| Molecular Formula | C20H38NO3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 390.63 g/mol gives 474942-73-9 N-palmitoyl homocysteine (PHC) N-palmitoyl homocysteine (ammonium salt) PHC PamHcy distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 474942-73-9 N-palmitoyl homocysteine (PHC) N-palmitoyl homocysteine (ammonium salt) PHC PamHcy (CAS 474942-73-9), a certified reference material (molecular formula C20H38NO3SH4N, MW 390.63 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H38NO3SH4N, 474942-73-9 N-palmitoyl homocysteine (PHC) N-palmitoyl homocysteine (ammonium salt) PHC PamHcy contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 390.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 474942-73-9 N-palmitoyl homocysteine (PHC) N-palmitoyl homocysteine (ammonium salt) PHC PamHcy meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H38NO3S H4N |
| Molecular Weight | 390.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
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- Palmitoyl Thio-phosphocholine (CAS 113881-60-0)
- S-Palmitoyl-L-cysteine (CAS 114507-35-6)
- 3-Methyl-4-palmitoyl-1-phenyl-1H-pyrazol-5(4H)-one (CAS 116655-21-1)
- Palmitoyl-Cys((RS)-2,3-di(palmitoyloxy)-propyl)-Ala-Gly-OH (CAS 117858-54-5)
- rac 1-Palmitoyl-2-stearoyl-3-chloropropanediol (CAS 1185060-41-6)
Recommended Standards
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- 1-Hydroxy-N,N-bis(hydroxymethyl)-N-methylmethanaminium iodide (CAS 652978-17-1)
- Ethyl 2-amino-3-methylpent-4-enoate (CAS 1339765-75-1)
- Fmoc-N-Me-Phe(4-Me)-OH (CAS 227616-20-8)
- 2-(2-Methoxypyrimidin-4-yl)pteridin-4(1H)-one (CAS 90209-87-3)
- 2-(3-Chloro-4-methoxyphenyl)pyrrolidine hydrochloride (CAS 1177352-21-4)
- 5-(TERT-BUTYLDIMETHYLSILYLOXY)PENTAN-1-AMINE (CAS 245660-16-6)
- Xylotriose (CAS 47592-59-6)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
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